Im scared..HELP!

Today 7/10/11 me and my boyfriend were messin around...he was fingering me and i was giving him a hand job...after we were done he cleaned up and put hand sanitizer all over his hands...later that night he put more hand sanitizer on to make sure sperms are killed...well he only stuck his finger in once, but had lots of hand sanitizer of from before..could i get pregnant?